Chaerophyllum villosum is a PERENNIAL growing to 0.3 m (1ft) by 0.2 m (0ft 8in). It is in flower from Jul to August, and the seeds ripen from Jul to August. The flowers are hermaphrodite (have both male and female organs)Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist soil.